Explain in detail how theories of behavior finance can explain the following investment trends:

1. In his portfolio, an investor owns two things: He paid $100 for Asset A, which is now worth $150. He paid $200 for Asset B, which is now worth $150. The investor needs $150 as soon as possible. He really wants to sell asset A, even though he hasn't looked into the two assets any further.

2. A person who gives out loans is thinking about a mortgage application. There are two things that could happen: Scenario A: the loan approver approved three mortgage applications in a row earlier today.

Scenario B: the loan approver has approved two mortgage applications and rejected another one earlier today.

Researchers find that the probability for the loan approver to reject the current mortgage application in scenario A is higher than that in scenario B.

3. Once a company's current earnings are known, investors should quickly take in the information and use it to set a market price that is fair. But if the price of a security is close to its 52-week high, investors are less likely to bid prices up, even if a company's earnings are much better than expected.